Nature: Salmon: Running the Gauntlet
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Nature: Salmon: Running the Gauntlet

Wednesday, July 2 at 8:00 p.m.

What is causing Pacific salmon populations to collapse?

See how biologists and engineers have become instruments in audacious experiments to replicate every stage of the fish’s life cycle.

Each desperate effort to save salmon has involved replacing their natural cycle of reproduction and death with a radically manipulated life history. Our once great runs of salmon are now conceived in laboratories, raised in tanks, driven in trucks and farmed in pens.

"Nature" goes beyond the ongoing debate over how to save an endangered species to expose a wildly creative, hopelessly complex and stunningly expensive approach to managing salmon.

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